We use cookies. Find out more about it here. By continuing to browse this site you are agreeing to our use of cookies.
#alert
Back to search results
New

PRIMARY READY MIX PLANT OPERATOR

Knife River - SD
life insurance, vision insurance, paid time off, paid holidays, sick time, 401(k), profit sharing
United States, South Dakota, Harrisburg
101 Industrial Road (Show on map)
May 15, 2026
Description

Good Pay! Good Benefits! Good People! Knife River is a PEOPLE-first company. Our team members are key to our success, and we are committed to giving them the tools, training, and time to do their jobs productively and go home safely each day. Please consider joining our growing team today!

At Knife River, we take care of our team because we know it's our people who make us successful. We are one of the 10 largest construction materials producers/contractors in the Country. Our goal is to build strong teams that, in turn, build strong communities. We are also a publicly traded company on the NYSE with the ticker symbol KNF and part of the S&P MidCap 400 index.

ROLE OVERVIEW:

This is a skilled position involving the safe and efficient production of ready mix concrete to be delivered to customer's job sites. Performs duties in conjunction with dispatcher's loading instructions with minimal supervision.

DUTIES AND/OR RESPONSIBILITIES (summary of components that make up the job)



  1. Perform routine plant maintenance, including clean up.
  2. Assist with onsite operations safely such as temp loads, back trucks into job sites and adding products.
  3. Inspect plant for necessary maintenance and complete repairs as assigned.
  4. Operate hand tools and safety equipment including, but not limited to: grease guns, wrenches, shovels, fire hoses and cutting torches.
  5. Assist with operations of ready-mix plant as directed by supervisor or ready-mix plant operator.
  6. Be able to work at heights safely.
  7. Obey all safety rules and work in a safe manner. (Federal, state, local and company policies.)
  8. Work alone or work with other employees in a friendly & cooperative manner.
  9. Be self-motivated.
  10. Be receptive to ongoing education about products and how they work.
  11. Operate a motor vehicle safely and by following all laws and policies.
  12. Communicate inspections and safety concerns to supervisor or ready-mix plant operator.
  13. Assist with unloading material.
  14. Assist with batching as needed.
  15. Run loader operator, manlift and forklift safely as needed.
  16. Performs other duties as assigned.


MINIMUM REQUIREMENTS (minimum educational, experience, or other relevant job requirements)

To be a successful plant operator you will:



  1. High school diploma or General Education Degree required.
  2. Two years batching - related experience.
  3. Knowledge of mix designing.
  4. Knowledge of Quality Assurance requirements.
  5. Familiarity with aggregate gradations.
  6. Experience with inventory management.
  7. Driver's license preferred.
  8. Ability and willingness to pass ACI Level I Certification within six months.


Typical hours during Production are M-F 6am-5pm. Typical hours during Maintenance are M-Th 6am-4pm. Hours may vary depending on weather and customer demand.

BENEFITS:



  1. Medical, Dental, & Vision Insurance
  2. Health Savings and Flexible Spending Accounts
  3. 401(k) with Company Match
  4. Profit Sharing
  5. Paid Time Off
  6. Paid Sick Time
  7. 8 Paid Holidays
  8. Company Paid Life and AD&D Insurance
  9. Short-term Disability
  10. Employee Assistance Program
  11. Years of Service Recognition
  12. Voluntary Life Insurance for Employees, Spouses, and Dependents
  13. Critical Illness Plan
  14. Accident Coverage Plan
  15. Hospital Indemnity


ADDITIONAL INFORMATION:

Knife River is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, age, color, religion, gender, gender identity, sexual orientation, national origin, disability, protected Veteran status or any other protected category under applicable state/federal laws.

Subject to pre-employment drug testing and background checks.

All applications are submitted online. If you are having issues completing the application, please come to the office for assistance.

Qualifications
Experience
Employer Name, City, State: (required)
Job Title: (required)
Reason for leaving: (required)
Summarize the nature of work performed and responsibilities: (required)
Employer Name, City, State: (required)
Job Title: (required)
Reason for leaving: (required)
Summarize the nature of work performed and responsibilities: (required)
Employer Name, City, State: (required)
Job Title: (required)
Reason for leaving: (required)
Summarize the nature of work performed and responsibilities: (required)
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.
Applied = 0

(web-bd9584865-94bfb)